Kevin used to measure a job, drive home, and price it at the kitchen table at night. The estimate went out a day or two later. By then the homeowner had met two more contractors.
None of that waiting improved the number. The cost of a cedar fence does not change between Tuesday and Friday. What changes is the homeowner.
Kevin asked for one thing. A real number in the homeowner's hand before the truck door closes. Yardstick is that.